VDB-215 · SA9404 · OSVDB 2346

NetScreen ScreenOS up to 4.0.1r6/4.0.3r2 TCP Window denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in NetScreen ScreenOS up to 4.0.1r6/4.0.3r2. It has been classified as critical. The affected element is an unknown function of the component TCP Window Handler. The manipulation leads to denial of service. Remote exploitation of the attack is possible. Furthermore, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in NetScreen ScreenOS up to 4.0.1r6/4.0.3r2 (Router Operating System). It has been rated as critical. This issue affects an unknown code block of the component TCP Window Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was published 07/30/2003 with Papa Love Mambo Research Group (Website). It is possible to read the advisory at netscreen.com. The attack may be initiated remotely. Technical details are unknown but an exploit is available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The exploit is available at hping.org. It is declared as proof-of-concept.

Upgrading to version 4.0.1r7 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at netscreen.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at OSVDB (2346†) and Secunia (SA9404†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Router Operating System

Vendor

NetScreen

Name

ScreenOS

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ScreenOS 4.0.1r7
Patch: netscreen.com

Timelineinfo

07/30/2003 🔍
07/31/2003 +1 days 🔍
08/05/2003 +4 days 🔍
06/26/2019 +5804 days 🔍

Sourcesinfo

Advisory: netscreen.com
Organization: Papa Love Mambo Research Group
Status: Not defined

GCVE (VulDB): GCVE-100-215
Secunia: 9404 - NetScreen ScreenOS TCP Window Denial of Service, Moderately Critical
OSVDB: 2346 - NetScreen ScreenOS TCP Window DoS
SecuriTeam: securiteam.com

Entryinfo

Created: 08/05/2003 11:08
Updated: 06/26/2019 10:52
Changes: 08/05/2003 11:08 (52), 06/26/2019 10:52 (5)
Complete: 🔍
Cache ID: 216:9F4:103